The average household size in a certain region several years ago was 4.3 people. A census worker wishes to test, at the 5% level of significance, whether it is different now. A random sample of 20 households will be used for the test. Which one of the following describes the correct rejection region to use for this test? Ot> 2.093 or t < -2.093 Ot> 2.093 Ot> 1.729 O t> 1.729 or t < -1.729

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